201105920

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4621}}^1$

素因数の和:4661

約数の個数: 80

約数和(自身を含む): 510657048

約数和(自身を除く): 309551128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 4621, 5440, 8704, 9242, 10880, 18484, 21760, 23105, 36968, 43520, 46210, 73936, 78557, 92420, 147872, 157114, 184840, 295744, 314228, 369680, 392785, 591488, 628456, 739360, 785570, 1182976, 1256912, 1478720, 1571140, 2365952, 2513824, 2957440, 3142280, 5027648, 5914880, 6284560, 10055296, 11829760, 12569120, 20110592, 25138240, 40221184, 50276480, 100552960, 201105920]

約数ペア:

[(1, 201105920), (2, 100552960), (4, 50276480), (5, 40221184), (8, 25138240), (10, 20110592), (16, 12569120), (17, 11829760), (20, 10055296), (32, 6284560), (34, 5914880), (40, 5027648), (64, 3142280), (68, 2957440), (80, 2513824), (85, 2365952), (128, 1571140), (136, 1478720), (160, 1256912), (170, 1182976), (256, 785570), (272, 739360), (320, 628456), (340, 591488), (512, 392785), (544, 369680), (640, 314228), (680, 295744), (1088, 184840), (1280, 157114), (1360, 147872), (2176, 92420), (2560, 78557), (2720, 73936), (4352, 46210), (4621, 43520), (5440, 36968), (8704, 23105), (9242, 21760), (10880, 18484)]